High Tensile Chain

Submitted: Thursday, Jul 11, 2002 at 00:00
ThreadID: 1473 Views:5273 Replies:4 FollowUps:4
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Hi

Can someone recomend the size/breaking strain of some high tensile chain that I can use in conjunction with a hi-lift jack for emergency winching.

Rob C
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Reply By: Kezza - Friday, Jul 12, 2002 at 00:00

Friday, Jul 12, 2002 at 00:00
Try trucking supplies and find some herc-alloy or herculoid chain used for holding down loads very hi tensile strength "relatively" light and expensive - if you break it youll really be in trouble - good thing is not many people can break it LOL
kezzza
AnswerID: 4818

Reply By: Goran - Sunday, Jul 14, 2002 at 00:00

Sunday, Jul 14, 2002 at 00:00
What you need is lifting chain,and not the chain used to secure loads on the back of the tucks.All recovery operations MUST be treated as lifting operations for obvious reasons.That is why we use RATED flexible steel wire rope for winching.Same goes for chain.It must be stamped(every few links)with SWL and chain grade (Tuff-alloy grade T80).Here are safe working loads for some of the lifting chain diameters. 6mm(thick) =1.1t , 8mm=2.0t , 10mm=3.2t and so on. You will be fine with 8 or 10 mm depending on the vehicle you use. Hope this helps.
AnswerID: 4834

Follow Up By: Tim - Sunday, Jul 14, 2002 at 00:00

Sunday, Jul 14, 2002 at 00:00
Sounds like you have your doggers/crane ticket too.
Tim
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FollowupID: 2058

Follow Up By: Goran - Monday, Jul 15, 2002 at 00:00

Monday, Jul 15, 2002 at 00:00
Yes,i do.It is good to know the limit of your gear.Too many people are taking short cuts when it comes to vehicle recovery.
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FollowupID: 2059

Follow Up By: Derekj - Monday, Jul 15, 2002 at 00:00

Monday, Jul 15, 2002 at 00:00
Hi Goran. I'm new to this forum and I've noticed you appear to be very knowledgeable in many areas. Is there a difference between lifting chain and drag chain and if so, can their roles be swapped? Where I worked last, we were forbidden to interchange them but no one could tell me why. Can you shed some light on this?
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FollowupID: 2075

Follow Up By: Rob C - Friday, Jul 19, 2002 at 00:00

Friday, Jul 19, 2002 at 00:00
You mention T80 alloy, what about T70 high tensile, it this similar?? Rob C
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FollowupID: 2131

Reply By: Goran - Friday, Jul 19, 2002 at 00:00

Friday, Jul 19, 2002 at 00:00
If the drag chain is not stamped with SWL it can not be used for lifting.Regardless how strong it apears to be.It shouldn't anyway.Lifting chain can be used as drag chain.Lifting chain is the only one that should be used in vehicle recovery.Generaly, drag chains are not suitable for lifting.
AnswerID: 4948

Reply By: Member - Nigel - Thursday, Sep 12, 2002 at 00:00

Thursday, Sep 12, 2002 at 00:00
Might be worth checking with your state laws before you spend any money to see what's legal. And don't forget that illegal tyres mean no insurance if you have an accident (even if the tyres didn't cause it).

I know Queensland has fairly small limits on increasing height, but you can increase width by 50% (on beam axled vehicles) - doesn't make sense to me.
AnswerID: 6558

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